enigma-bbs/core/key_entry_view.js

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2016-07-21 04:11:57 +00:00
/* jslint node: true */
'use strict';
const View = require('./view.js').View;
const valueWithDefault = require('./misc_util.js').valueWithDefault;
const isPrintable = require('./string_util.js').isPrintable;
const stylizeString = require('./string_util.js').stylizeString;
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const _ = require('lodash');
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module.exports = class KeyEntryView extends View {
constructor(options) {
options.acceptsFocus = valueWithDefault(options.acceptsFocus, true);
options.acceptsInput = valueWithDefault(options.acceptsInput, true);
super(options);
this.eatTabKey = options.eatTabKey || true;
this.caseInsensitive = options.caseInsensitive || true;
if (Array.isArray(options.keys)) {
if (this.caseInsensitive) {
this.keys = options.keys.map(k => k.toUpperCase());
} else {
this.keys = options.keys;
}
}
}
onKeyPress(ch, key) {
const drawKey = ch;
if (ch && this.caseInsensitive) {
ch = ch.toUpperCase();
}
if (
drawKey &&
isPrintable(drawKey) &&
(!this.keys || this.keys.indexOf(ch) > -1)
) {
this.redraw(); // sets position
this.client.term.write(stylizeString(ch, this.textStyle));
}
this.keyEntered = ch || key.name;
if (key && 'tab' === key.name && !this.eatTabKey) {
return this.emit('action', 'next', key);
}
this.emit('action', 'accept');
// NOTE: we don't call super here. KeyEntryView is a special snowflake.
}
setPropertyValue(propName, propValue) {
switch (propName) {
case 'eatTabKey':
if (_.isBoolean(propValue)) {
this.eatTabKey = propValue;
}
break;
case 'caseInsensitive':
if (_.isBoolean(propValue)) {
this.caseInsensitive = propValue;
}
break;
case 'keys':
if (Array.isArray(propValue)) {
this.keys = propValue;
}
break;
}
super.setPropertyValue(propName, propValue);
}
getData() {
return this.keyEntered;
}
};